set terminal png enhanced
set style data histograms
set style histogram rowstacked
set output "multiclouds.png"
set xlabel "cloud instance combination"
set y2label "cloud instances"
set ylabel "time in minutes"
set yrange [0:100]
set y2range [0:100]
set xrange [0:10]
set y2tics border
set xtics 1
set key top left
set boxwidth 0.5 relative
set style fill solid 0.6 border -1
plot 'multiclouds.txt' using 2 t "RedCloud", \
'multiclouds.txt' using 3 t "EC2", \
'multiclouds.txt' using 4 t "Futuregrid", \
'multiclouds.txt' using ($0):6 t "time" with lp lw 3

